Sensor device and method for detecting a filling status of dispenser for a consumable

Sheet conveyance apparatus, document reading apparatus and image forming apparatus

Medium discharging device and image reading apparatus

Image forming apparatus

Image forming apparatus

Determining an available capacity

Medium supply device and image forming apparatus

Printer with bracket for holding paper tray

Variable feeder tray capacity control

SHEET FEEDING APPARATUS, SHEET FEEDING METHOD AND CONTROL PROGRAM

Multi-functional peripheral device and adjustable paper output holder

Sheet feeding apparatus, sheet feeding method and control program